If, like me, you are used to restoring databases by right-clicking the database in your SQL Server Enterprise Manager and then selecting Tasks/Restore, it may get a bit sticky when you try to restore a different database over another database.
Problem: When you do the above, you get an Error 3154, even after you have chosen the WITH REPLACE option on the Restore/Options tab.
Solution: Do NOT attempt to restore the database by right-clicking on the particular database name over which you wish to restore, instead right click on the Databases node in SQL Server Enterprise Manager, then choose Tasks/Restore Database. On the General Tab, make sure you choose the name of the database you wish to restore over and on the options tab, choose the WITH REPLACE option.
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